2021310344017 has 2 divisors, whose sum is σ = 2021310344018. Its totient is φ = 2021310344016.

The previous prime is 2021310343999. The next prime is 2021310344021. The reversal of 2021310344017 is 7104430131202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1947933827856 + 73376516161 = 1395684^2 + 270881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021310344017 - 2³¹ = 2019162860369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021310344617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010655172008 + 1010655172009.

It is an arithmetic number, because the mean of its divisors is an integer number (1010655172009).

Almost surely, 2^{2021310344017} is an apocalyptic number.

It is an amenable number.

2021310344017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021310344017 is an equidigital number, since it uses as much as digits as its factorization.

2021310344017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 2021310344017 its reverse (7104430131202), we get a palindrome (9125740475219).

The spelling of 2021310344017 in words is "two trillion, twenty-one billion, three hundred ten million, three hundred forty-four thousand, seventeen".